At least four people have been confirmed dead in a firing in the US. The incident happened at the Cascade Mall in Burlington, about 105 kilometers north of Seattle on Friday night local time.

4 confirmed deceased in the mall, shooter(s) left scene b4 police arrived, unknown # of shooter, possibly just 1, police clearing mall now

— Sgt. Mark Francis (@wspd7pio) September 24, 2016

According to police the suspect is a Hispanic male wearing gray who was last seen walking towards Interstate 5 from the mall.

Police are still on the look-out for the suspect. The reason behind the shooting was also not immediately clear.